packages/Microsoft.AspNet.Providers.LocalDB.1.1/tools/Install.ps1

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param($installPath, $toolsPath, $package, $project)
try {
    # Set up variables
    $timestamp = (Get-Date).ToString('yyyyMMddHHmmss')
    $projectName = [IO.Path]::GetFileName($project.ProjectName.Trim([IO.PATH]::DirectorySeparatorChar, [IO.PATH]::AltDirectorySeparatorChar))
    $catalogName = "aspnet-$projectName-$timestamp"
    $connectionString ="Data Source=(LocalDb)\v11.0;Initial Catalog=$catalogName;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\$catalogName.mdf"
    $connectionStringToken = 'Data Source=(LocalDb)\v11.0;'
    $config = $project.ProjectItems | Where-Object { $_.Name -eq "Web.config" }    
    $fileName = $config.Properties | Where-Object { $_.Name -eq "FullPath" }
    
    #Load the Config File
    $xml = New-Object System.Xml.XmlDocument
    $xml.Load($fileName.Value)
    
    function CommentNode($node) {
        if (!$node) {
            return;
        }
        
        $commentNode = $xml.CreateComment($node.OuterXml)
        $parent = $node.ParentNode
        $parent.InsertBefore($commentNode, $node)
        $parent.RemoveChild($node)
    }
    
    # Comment out older providers
    $node = $xml.SelectSingleNode("/configuration/system.web/membership/providers/add[@type='System.Web.Security.SqlMembershipProvider']")
    $oldConnectionNode = $xml.SelectSingleNode("/configuration/connectionStrings/add[@name='$($node.connectionStringName)']")
    CommentNode $node
    CommentNode $oldConnectionNode
    
    $node = $xml.SelectSingleNode("/configuration/system.web/profile/providers/add[@type='System.Web.Profile.SqlProfileProvider']")
    $oldConnectionNode = $xml.SelectSingleNode("/configuration/connectionStrings/add[@name='$($node.connectionStringName)']")
    CommentNode $node
    CommentNode $oldConnectionNode
    
    $node = $xml.SelectSingleNode("/configuration/system.web/roleManager/providers/add[@type='System.Web.Security.SqlRoleProvider']")
    $oldConnectionNode = $xml.SelectSingleNode("/configuration/connectionStrings/add[@name='$($node.connectionStringName)']")
    $connectionStringsToComment += $node.connectionStringName
    CommentNode $node
    CommentNode $oldConnectionNode
    
    # Verify that the connectionStrings node exists
    $connectionStrings = $xml.SelectSingleNode("/configuration/connectionStrings")
    if (!$connectionStrings) {
        $connectionStrings = $xml.CreateElement("connectionStrings")
        $xml.configuration.AppendChild($connectionStrings)
    }
    
    if (!($connectionStrings.SelectNodes("add[@name='DefaultConnection']") | Where { $_.connectionString.StartsWith($connectionStringToken, 'OrdinalIgnoreCase') })) {
        # If there aren't any connection strings that look like ours, proceed to add one
        $newConnectionNode = $xml.CreateElement("add")
        $newConnectionNode.SetAttribute("name", 'DefaultConnection')
        $newConnectionNode.SetAttribute("providerName", "System.Data.SqlClient")
        $newConnectionNode.SetAttribute("connectionString", $connectionString)
        
        $connectionStrings.AppendChild($newConnectionNode)
    }